Roller screening and weighing device applied to garbage screening

Abstract

The invention provides a roller screening and weighing device applied to garbage screening, and relates to the technical field of garbage screening. The roller screening and weighing device applied to garbage screening comprises a bottom plate, a conveying mechanism, a reciprocating mechanism, a rotating mechanism and a screening mechanism, a servo motor is arranged on the left side of the upper surface of the bottom plate, and the output end of the servo motor drives the conveying mechanism to convey garbage materials through a linkage mechanism; the output end of the servo motor further drives the reciprocating mechanism to drive through the linkage mechanism and drives the rotating mechanism to rotate synchronously at the same time. The device further comprises a material control mechanism located at the discharging end of the conveying mechanism. The moving mechanism is located at the bottom of the screening mechanism. The single servo motor is used for driving, linkage work of feeding, discharging and screening is achieved, interference is avoided while the efficiency is guaranteed, and the overall collaboration is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of garbage screening, in particular to a roller screening and weighing device applied to garbage screening. BACKGROUND

[0002] Garbage screening is to separate the existing garbage heap mixture (granular) by introducing it into a screening device on site, so that each component can be comprehensively utilized or harmlessly disposed of.

[0003] Currently, the granular garbage is mostly rolled by a screen during the screening process, which has the following problems:

[0004] 1. The garbage particles cannot be weighed, and when the amount of garbage is large, the screening is uneven, and the screen is also blocked due to the excessive weight;

[0005] 2. The garbage is screened by size, and the functionality of the screening device is single during the screening process, and the single rolling affects the screening efficiency, and the discharge openings at different positions need to be opened for discharging operation, which makes transportation and storage very inconvenient. SUMMARY

[0006] (I) Technical problems solved

[0007] In view of the deficiencies of the prior art, the present application provides a roller screening and weighing device applied to garbage screening, which solves the problems raised in the background art.

[0008] (II) Technical scheme

[0009] To achieve the above purpose, the present application is implemented by the following technical scheme: a roller screening and weighing device applied to garbage screening, comprising a bottom plate, a conveying mechanism, a reciprocating mechanism, a rotating mechanism and a screening mechanism, a servo motor is arranged on the upper surface of the left side of the bottom plate, the output end of the servo motor drives the conveying mechanism to convey garbage materials through a linkage mechanism, the output end of the servo motor also drives the reciprocating mechanism through a linkage mechanism, and simultaneously drives the rotating mechanism to rotate synchronously, so that the screening mechanism keeps reciprocating and can rotate intermittently;

[0010] It also includes a material control mechanism at the discharging end of the conveying mechanism, which conveys a certain amount of garbage materials to the screening mechanism;

[0011] It also includes a moving mechanism at the bottom of the screening mechanism, and the moving end of the moving mechanism is provided with a material collecting box for collecting.

[0012] Preferably, the linkage mechanism comprises a transmission mechanism at the output end of the servo motor, one side of the transmission mechanism is connected with a first on-off rod, the middle part of the first on-off rod is connected with a first electromagnetic clutch to realize on-off, the right end of the first on-off rod is connected with the conveying mechanism.

[0013] Preferably, the conveying mechanism comprises a conveying cylinder, the left side of the conveying cylinder is provided with an inlet box, the inner bottom of the conveying cylinder is provided with a rotating rod which is rotatably connected with the first on-off rod, the outer wall of the rotating rod is fixedly connected with a spiral conveying rod, the top right side of the conveying cylinder is provided with a discharging port which is flexibly connected with the material control mechanism.

[0014] Preferably, the material control mechanism comprises a support plate which is fixedly connected to the right side of the conveying cylinder, the upper end of the support plate is provided with a weighter, the upper end of the weighter is provided with a pre-storage box, the output end of the pre-storage box is connected with a conveying hose through an electromagnetic valve, the right end of the conveying hose is connected with the screening mechanism through a connecting bearing.

[0015] Preferably, the screening mechanism comprises a roller body, one half of the roller body is provided with a sieve hole, the other half of the roller body is provided with a flap.

[0016] Preferably, the other side of the transmission mechanism is connected with a second on-off rod, the middle part of the second on-off rod is connected with a second electromagnetic clutch to realize on-off, the right end of the second on-off rod is connected with a reciprocating mechanism and a rotating mechanism respectively.

[0017] Preferably, the reciprocating mechanism comprises a fixed frame arranged on the upper surface of the base plate, the reciprocating mechanism further comprises a rotating shaft which is rotatably connected with the right end of the second on-off rod through a bevel gear set, the front end of the rotating shaft penetrates into the inside of the fixed frame and is fixedly connected with a rotating disc, the outer surface of the rotating disc is rotatably connected with a connecting rod on the outer side, the right end of the connecting rod is rotatably connected with a sliding plate, the bottom of the sliding plate penetrates downward through the fixed frame and is fixedly connected with a guide rod, the upper end of the guide rod is fixedly connected with a fixed frame on both sides, a rotating roller body is arranged between the two fixed frames.

[0018] Preferably, the rotating mechanism comprises a sleeve rod which is fixedly connected to the right end of the second on-off rod, the inside of the sleeve rod is provided with a sliding rod, the sliding rod slides in the inside of the sleeve rod and rotates with the rotation of the sleeve rod, the right end of the sliding rod penetrates through the fixed frame and is fixedly connected with a half gear, the upper side of the half gear is incompletely meshed with a full gear, the full gear is sleeved on the outer wall of the roller body.

[0019] The left end of the sliding rod is fixedly connected with a limiting block, the inside of the sleeve rod is provided with a limiting groove, and the limiting block is transversely and slidably connected with the limiting groove.

[0020] Preferably, the moving mechanism comprises a bottom frame fixedly connected to the upper surface of the bottom plate, a driving motor is arranged on the front side of the bottom frame, the output end of the driving motor penetrates into the interior of the bottom frame and is fixedly connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with a threaded block, the upper end of the threaded block is fixedly connected with a clamping groove, and the upper end of the clamping groove is clamped with the material receiving box.

[0021] Preferably, two sliding grooves are horizontally arranged on the upper surface of the bottom plate, and the two sliding grooves are slidably connected with the fixing frame; and two sliding rails are longitudinally arranged on the upper surface of the bottom plate, and the two sliding rails are slidably connected with the material receiving box.

[0022] (Three) beneficial effects

[0023] The application provides a drum screening and weighing device applied to garbage screening.

[0024] 1. Under the driving action of the servo motor, the synchronous work of the reciprocating mechanism and the rotating mechanism is realized by cooperating with the work of the linkage mechanism. Specifically, under the driving action of the reciprocating mechanism, the drum body is driven to move back and forth, and under the driving action of the rotating mechanism, the drum body is driven to rotate intermittently. Ultimately, the drum body moves back and forth while rotating intermittently, thereby improving the screening effect of the drum body on the granular garbage, and further improving the screening efficiency.

[0025] 2. The conveying mechanism and the material control mechanism are arranged, and the weighing of the granular garbage is realized by cooperating with the work of the linkage mechanism, so that the uneven screening caused by a large amount is avoided, the quality of screening is affected, and the plugging of the screen hole caused by a large weight is also avoided.

[0026] 3. The linkage work of feeding and screening is realized by driving a single servo motor, so that the efficiency is ensured, and interference does not occur, and the overall synergy is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic view of the overall structure of the application;

[0028] Figure 2 It is a schematic view of the overall structure of the application;

[0029] Figure 3 It is a schematic view of the linkage mechanism of the application;

[0030] Figure 4 It is a schematic view of the linkage mechanism of the application; Figure 3 It is an enlarged schematic view of the structure at A in the application;

[0031] Figure 5 It is a schematic view of the reciprocating mechanism of the application;

[0032] Figure 6 It is a sectional view schematic diagram of the drum body of the present application;

[0033] Figure 7 It is a schematic diagram of the moving mechanism of the present application;

[0034] Figure 8 It is a schematic diagram of the control principle of the present application.

[0035] Wherein, 1, bottom plate; 2, servo motor; 3, conveying mechanism; 4, material control mechanism; 5, screening mechanism; 6, reciprocating mechanism; 7, rotating mechanism; 8, moving mechanism; 9, linkage mechanism; 10, feeding box; 11, receiving box; 12, chute; 13, slide rail;

[0036] 301, conveying cylinder; 302, rotating rod; 303, spiral conveying rod; 304, discharging port;

[0037] 401, support plate; 402, weigher; 403, pre-storage box; 404, conveying hose;

[0038] 501, drum body; 502, sieve hole; 503, flap;

[0039] 601, fixed frame; 602, bevel gear set; 603, rotating shaft; 604, rotating disc; 605, connecting rod; 606, sliding plate; 607, guide rod; 608, fixed frame;

[0040] 701, sleeve rod; 702, sliding rod; 703, half gear; 704, full gear; 705, limiting block; 706, limiting groove;

[0041] 801, bottom frame; 802, driving motor; 803, threaded rod; 804, threaded block; 805, clamping groove;

[0042] 901, conveying mechanism; 902, first on-off rod; 903, first electromagnetic clutch; 904, second on-off rod; 905, second electromagnetic clutch. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be described clearly and completely below with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0044] Embodiment one:

[0045] As Figure 1 , Figure 2 and Figure 6As shown, the embodiment of the present application provides a drum screening and weighing device applied to garbage screening, which comprises a bottom plate 1, a conveying mechanism 3, a reciprocating mechanism 6, a rotating mechanism 7 and a screening mechanism 5, the upper surface of the left side of the bottom plate 1 is provided with a servo motor 2, the output end of the servo motor 2 drives the conveying mechanism 3 to convey garbage materials through a linkage mechanism 9, the output end of the servo motor 2 also drives the reciprocating mechanism 6 to drive through the linkage mechanism 9, and simultaneously drives the rotating mechanism 7 to rotate synchronously, so that the screening mechanism 5 keeps reciprocating while being able to rotate intermittently, and secondly, the screening mechanism 5 comprises a drum body 501, one half of the drum body 501 is a sieve hole 502, the sieve hole 502 is used for screening smaller particle garbage, and the other half of the drum body 501 is a flap 503, the flap 503 can be opened to discharge the remaining garbage after screening.

[0046] The above structure, the servo motor 2 works, drives the conveying mechanism 3 to work under the linkage of the linkage mechanism 9, and conveys particle garbage through the conveying mechanism 3; in addition, the servo motor 2 works, and can drive the reciprocating mechanism 6 and the rotating mechanism 7 to work synchronously under the linkage of the linkage mechanism 9, and then drive the drum body 501 to reciprocate while rotating intermittently, thereby improving the screening effect of the drum body 501 on the particle garbage, and further improving the screening efficiency.

[0047] Further, the conveying mechanism 3, the reciprocating mechanism 6 and the rotating mechanism 7 work separately, and there is no interference between them.

[0048] Further comprising a material control mechanism 4 located at the discharging end of the conveying mechanism 3, the material control mechanism 4 conveys a certain amount of garbage materials to the screening mechanism 5.

[0049] The above structure, the conveying mechanism 3 conveys the particle garbage to the material control mechanism 4, and the particle garbage is weighed and discharged quantitatively into the drum body 501 for screening work through the material control mechanism 4.

[0050] Further comprising a moving mechanism 8 located at the bottom of the screening mechanism 5, and the moving end of the moving mechanism 8 is provided with a material collecting box 11 for collecting.

[0051] The above structure, the material collecting box 11 can be moved under the driving action of the moving mechanism 8, and then the classified collection of the screened particle garbage can be realized.

[0052] Embodiment two:

[0053] On the basis of embodiment one, in combination with Figure 3Specifically, the linkage mechanism 9 comprises a transmission mechanism 901 at the output end of the servo motor 2, one side of the transmission mechanism 901 is connected with a first on-off rod 902, the middle part of the first on-off rod 902 realizes on-off through a first electromagnetic clutch 903, and the right end of the first on-off rod 902 is connected with the conveying mechanism 3.

[0054] The above structure, the transmission mechanism 901 is prior art, which comprises a conveyor belt and a conveyor wheel, and plays a role of connection transmission, which will not be repeated here. The first on-off rod 902 is a two-section structure, which realizes on-off through the first electromagnetic clutch 903.

[0055] In combination Figure 3 Specifically, the conveying mechanism 3 comprises a conveying cylinder 301, the left side of the conveying cylinder 301 is provided with the feeding box 10, the inner bottom of the conveying cylinder 301 is provided with a rotating rod 302 which is rotationally connected with the first on-off rod 902, specifically, the rotating rod 302 is connected with the first on-off rod 902 through a bevel gear set for connection transmission, the outer wall of the rotating rod 302 is fixedly connected with a spiral conveying rod 303, the top right side of the conveying cylinder 301 is provided with a discharging port 304, and the discharging port 304 is flexibly connected with the material control mechanism 4.

[0056] The above structure, under the driving action of the servo motor 2 and the transmission action of the transmission mechanism 901, the first on-off rod 902 is driven to rotate in the communication state, thereby driving the rotating rod 302 to rotate, driving the spiral conveying rod 303 to rotate, and then conveying the granular garbage upwards and into the material control mechanism 4 through the discharging port 304.

[0057] In combination Figure 2 Specifically, the material control mechanism 4 comprises a support plate 401 which is fixedly connected to the right side of the conveying cylinder 301, the upper end of the support plate 401 is provided with a weighing device 402, the upper end of the weighing device 402 is provided with a pre-storage box 403, the output end of the pre-storage box 403 is connected with a conveying hose 404 through an electromagnetic valve, the inside of the pre-storage box 403 is inclinedly arranged and is provided with a material guiding groove, when the electromagnetic valve is in the open state, the granular garbage in the pre-storage box 403 can be completely dropped, and a vibration exciter can be added in the pre-storage box 403 to accelerate the falling of the granular garbage and avoid residue, which is prior art and will not be repeated here, and the right end of the conveying hose 404 is connected with the screening mechanism 5 through a connecting bearing.

[0058] The above structure, the granular garbage entering the pre-storage box 403 is weighed by the weighing device 402, and after reaching the preset weight, is quantitatively discharged into the roller body 501 through the conveying hose 404 for next screening work.

[0059] In combination Figure 3Specifically, the other side of the conveying mechanism 901 is connected with a second on-off rod 904, the middle part of the second on-off rod 904 is realized on-off through a second electromagnetic clutch 905, and the right end of the second on-off rod 904 is connected with the reciprocating mechanism 6 and the rotating mechanism 7 respectively.

[0060] Similarly, the second on-off rod 904 is a two-section structure, and is realized on-off through the second electromagnetic clutch 905.

[0061] In combination with Figure 5 Specifically, the reciprocating mechanism 6 comprises a fixed frame 601 arranged on the upper surface of the bottom plate 1, and further comprises a rotating shaft 603 rotationally connected with the right end of the second on-off rod 904 through a bevel gear set 602, the front end of the rotating shaft 603 penetrates into the inside of the fixed frame 601 and is fixedly connected with a rotating disc 604, the outer surface of the rotating disc 604 is rotationally connected with a connecting rod 605 outward, the right end of the connecting rod 605 is rotationally connected with a sliding plate 606, the sliding plate 606 is horizontally slidably connected with the inner wall of the fixed frame 601, the bottom of the sliding plate 606 penetrates downward through the fixed frame 601 and is fixedly connected with a guide rod 607, the upper end of the guide rod 607 is fixedly connected with a fixed frame 608 on both sides, and a rotating roller body 501 is arranged between the two fixed frames 608 and rotates with damping between the fixed frame 608, so as to prevent self-rotation.

[0062] The above structure, under the driving action of the servo motor 2 and the transmission action of the conveying mechanism 901, drives the second on-off rod 904 to rotate in the communication state, further drives the rotating shaft 603 to rotate, realizes the rotation of the rotating disc 604, drives the sliding plate 606 to reciprocate under the action of the connecting rod 605, and realizes the reciprocating movement of the fixed frame 608 driving the roller body 501 under the connecting action of the guide rod 607.

[0063] In combination with Figure 1 , Figure 3 and Figure 4 Specifically, the rotating mechanism 7 comprises a sleeve rod 701 fixedly connected with the right end of the second on-off rod 904, a sliding rod 702 is arranged in the inside of the sleeve rod 701 and slides in the inside of the sleeve rod 701 and rotates with the rotation of the sleeve rod 701, the right end of the sliding rod 702 penetrates through the bearing at the penetrating position of the fixed frame 608 and is rotationally connected, and is fixedly connected with a half gear 703, the half gear 703 is incompletely meshed with a full gear 704 from the upper side, and the full gear 704 is sleeved on the outer wall of the roller body 501.

[0064] The left end of the sliding rod 702 is fixedly connected with a limiting block 705, and the inside of the sleeve rod 701 is provided with a limiting groove 706, and the limiting block 705 is horizontally slidably connected with the limiting groove 706.

[0065] The structure, with the second on-off rod 904 in the communication state of rotation, drives the sleeve rod 701 to rotate, and then drives the sliding rod 702 to follow the rotation, realizes that the half gear 703 drives the full gear 704 to rotate intermittently, and finally realizes that the drum body 501 reciprocatingly moves while rotating intermittently, so that the screening effect of the drum body 501 on the granular garbage is improved, and the screening efficiency is further improved.

[0066] Embodiment three:

[0067] On the basis of embodiment two, in combination with Figure 7 Specifically, the moving mechanism 8 comprises a bottom frame 801 fixedly connected to the upper surface of the bottom plate 1, a driving motor 802 arranged on the front side of the bottom frame 801, an output end of the driving motor 802 penetrating into the inside of the bottom frame 801 and fixedly connected with a threaded rod 803, a threaded block 804 threadedly connected to the outer wall of the threaded rod 803, a clamping groove 805 fixedly connected to the upper end of the threaded block 804, and a receiving box 11 clamped to the upper end of the clamping groove 805. The receiving box 11 is provided with a partition plate in the middle, used for separating and screening the garbage.

[0068] The above structure drives the threaded rod 803 to rotate through the driving effect of the driving motor 802, and then drives the threaded block 804 and the clamping groove 805 to move, realizes the movement of the receiving box 11, and then classifies and collects the granular garbage screened out.

[0069] In combination with Figure 1 And Figure 2 Specifically, two sliding grooves 12 are horizontally arranged on the upper surface of the bottom plate 1 and slidably connected with the fixed frame 608, and two sliding rails 13 are longitudinally arranged on the upper surface of the bottom plate 1 and slidably connected with the receiving box 11 for limiting.

[0070] Working principle (taking embodiment three as an example):

[0071] In combination with Figure 8The granular garbage is placed in the feeding box 10, the control center inputs the weight of the granular garbage which needs to be screened, the control center transmits the weight information to the weighing device 402, then the control center starts the servo motor 2, and controls the first electromagnetic clutch 903 to be in the connected state and the second electromagnetic clutch 905 to be in the disconnected state, the servo motor 2 drives the spiral conveying rod 303 to rotate through the transmission mechanism 901, and then the granular garbage is conveyed upwards and enters the pre-storage box 403 through the discharge port 304, when the weighing device 402 senses that the weight reaches a certain standard, the information is transmitted to the control center, the control center controls the first electromagnetic clutch 903 to be disconnected, the electromagnetic valve for controlling the material in the pre-storage box 403 is opened, at the same time, the second electromagnetic clutch 905 is in the connected state, the granular garbage is discharged into the drum body 501 through the conveying hose 404 for the next screening work;

[0072] Secondly, under the condition that the second electromagnetic clutch 905 is in the connected state, under the continuous driving action of the servo motor 2 and under the connection action of the reciprocating mechanism 6, the drum body 501 is driven to reciprocate, at the same time, under the connection action of the rotating mechanism 7, the drum body 501 is driven to rotate intermittently, finally the drum body 501 realizes reciprocating movement and intermittent rotation at the same time, thereby improving the screening effect of the drum body 501 on the granular garbage, and further improving the screening efficiency.

[0073] Finally, the smaller particles screened out are discharged to the receiving box 11 through the screen hole 502, then the control center controls the driving motor 802 to work, drives the receiving box 11 to move, opens the flap 503, and the remaining garbage after screening falls into the separated area in the receiving box 11.

[0074] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A drum screening and weighing device for garbage screening, characterized by: The invention comprises a bottom plate (1), a conveying mechanism (3), a reciprocating mechanism (6), a rotating mechanism (7) and a screening mechanism (5). A servo motor (2) is provided on the left side of the upper surface of the bottom plate (1). The output end of the servo motor (2) drives the conveying mechanism (3) to convey garbage materials through a linkage mechanism (9). The output end of the servo motor (2) also drives the reciprocating mechanism (6) through the linkage mechanism (9) and simultaneously drives the rotating mechanism (7) to rotate synchronously, so that the screening mechanism (5) can rotate intermittently while maintaining reciprocating movement. It also includes a material control mechanism (4) located at the unloading end of the conveying mechanism (3), wherein the material control mechanism (4) conveys a fixed amount of garbage material to the screening mechanism (5); It also includes a moving mechanism (8) located at the bottom of the screening mechanism (5), and a material receiving box (11) for collecting is provided at the moving end of the moving mechanism (8).

2. A drum screening and weighing device for garbage screening according to claim 1, characterized in that: The linkage mechanism (9) comprises a transmission mechanism (901) located at the output end of the servo motor (2); a first on-off lever (902) is connected to one side of the transmission mechanism (901); the middle portion of the first on-off lever (902) is switched on and off via a first electromagnetic clutch (903); and the right end of the first on-off lever (902) is connected to the conveying mechanism (3).

3. The drum screening and weighing device for garbage screening according to claim 2, characterized in that: The conveying mechanism (3) comprises a conveying cylinder (301), a feeding box (10) is provided on the left side of the conveying cylinder (301), a rotating rod (302) rotatably connected to a first on-off rod (902) is provided on the inner bottom of the conveying cylinder (301), a spiral conveying rod (303) is fixedly connected to the outer wall of the rotating rod (302), and a discharge port (304) is provided on the right side of the top of the conveying cylinder (301), and the discharge port (304) is flexibly connected to the material control mechanism (4).

4. The drum screening and weighing device for garbage screening according to claim 3, characterized in that: The material control mechanism (4) comprises a support plate (401) fixedly connected to the right side of the conveying cylinder (301); a weighing device (402) is provided at the upper end of the support plate (401); a pre-storage box (403) is provided at the upper end of the weighing device (402); an output end of the pre-storage box (403) is connected to a conveying hose (404) via a solenoid valve; and the right end of the conveying hose (404) is connected to the screening mechanism (5) via a connecting bearing.

5. A drum screening and weighing device for garbage screening according to claim 1 or 4, characterized in that: The screening mechanism (5) comprises a drum body (501), half of the drum body (501) is a sieve hole (502), and the other half of the drum body (501) is a flap (503).

6. The drum screening and weighing device for garbage screening according to claim 2, characterized in that: The other side of the transmission mechanism (901) is connected to a second on-off rod (904), the middle part of the second on-off rod (904) is connected to the reciprocating mechanism (6) and the rotating mechanism (7) respectively.

7. The drum screening and weighing device for garbage screening according to claim 6, characterized in that: The reciprocating mechanism (6) comprises a fixed frame (601) arranged on the upper surface of the bottom plate (1), and the reciprocating mechanism (6) further comprises a rotating shaft (603) rotatably connected to the right end of the second on-off lever (904) via a bevel gear set (602). The front end of the rotating shaft (603) passes through the interior of the fixed frame (601) and is fixedly connected to a turntable (604). The outer surface of the turntable (604) is rotatably connected to a connecting rod (605) on the outer side. The right end of the connecting rod (605) is rotatably connected to a slide plate (606). The bottom of the slide plate (606) passes through the fixed frame (601) downward and is fixedly connected to a guide rod (607). Both sides of the upper end of the guide rod (607) are fixedly connected to fixed frames (608). A rotating roller body (501) is provided between the two fixed frames (608).

8. The drum screening and weighing device for garbage screening according to claim 7, characterized in that: The rotating mechanism (7) includes a sleeve rod (701) fixedly connected to the right end of the second on-off rod (904); a sliding rod (702) is provided inside the sleeve rod (701); the sliding rod (702) is located inside the sleeve rod (701) and slides, and rotates following the rotation of the sleeve rod (701); the right end of the sliding rod (702) passes through the fixed frame (608) and is fixedly connected to a half gear (703); the upper side of the half gear (703) is partially meshed with a full gear (704), and the full gear (704) is sleeved on the outer wall of the drum body (501); The left end of the sliding rod (702) is fixedly connected to a limiting block (705), a limiting slot (706) is provided inside the sleeve rod (701), and the limiting block (705) is connected to the limiting slot (706) in a transverse sliding manner.

9. The drum screening and weighing device for garbage screening according to claim 1, characterized in that: The moving mechanism (8) comprises a bottom frame (801) fixedly connected to the upper surface of the bottom plate (1); a driving motor (802) is provided on the front side of the bottom frame (801); an output end of the driving motor (802) passes through the interior of the bottom frame (801) and is fixedly connected to a threaded rod (803); an outer wall of the threaded rod (803) is threadedly connected to a threaded block (804); an upper end of the threaded block (804) is fixedly connected to a slot (805); and a material receiving box (11) is clamped to the upper end of the slot (805).

10. The drum screening and weighing device for garbage screening according to claim 1, characterized in that: Two slide grooves (12) are horizontally provided on the upper surface of the base plate (1), and the two slide grooves (12) are slidably connected to the fixed frame (608). Two slide rails (13) are longitudinally provided on the upper surface of the base plate (1), and the two slide rails (13) are slidably connected to the material receiving box (11).

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